Automatic call recording system for automatic telephony



Nov. 28, 1950 c. G. MsLLER 2,531,637

AUTOMATIC CALL RECORDING sYsTEM EOE AUTOMATIC TELEPHONY Filed April 24, 1945 29 Sheets-Sheet 1 Nov. 28, 1950 c. G. MILLER M 5315637 AUTOMATIC CALL RECORDING sYsTEM FOR AUTOMATIC TELEPHONY Eind April 24, 14s 29 sheets-sheet 2 L E T s 1 l 5g l l l w m 5 u I LL Tiri- II I| g' l N fr g n (V szg L r 8 I o Z Q w Q @E E S a z I TRUNK REGISTER LINK A TTG/@NE V NOV. 28, 1950 Q G, MlLLER 2,531,637

AUTOMATIC CALL RECORDING SYSTEM F'OR AUTOMATIC TELEPHONY Filed April 24, 1946 A 29 Sheets-Sheet 3 oFF ICE ALB o TANDEM OFFICE LINKS /m/EA/ TOR C /LLER Il: w 7 N 3 4 V 6 n RR l e OE T 3 Ch 5, .y N/ 2 a QQ QQ WM e wf@ C w M m s YV.. SN O mm mmm Lm mmm MLT \\G\ GMM .CT Cmwn \mQ TR mm O T U A l & n 2 m. v. m o l N m .l

C. G. MILLER Nov. 28, 1950 2,531,637 AUTOMATIC CALL RECORDING SYSTEM FOR AUTOMATIC TELEPHONY V29 Sheets-Sheet 5 Filed April 24, 1946 /NVEA/ To@ C /LLE/P Bv ATTORNEY Nov. 28, 1950 c. G. MILLER 2,531,637

AUTOMATIC CALL RECORDING SYSTEM FOR AUTOMATIC TELEPHONY Filed April 24, 1946 29 Sheets-Sheet 6 ATTORNEY NOV. 28, 1950 C; G, MILLER 2,531,637

AUTOMATIC CALL RECORDING SYSTEM FOR AUTOMATIC TELEPHONY Filed April 24, 1946 29 ShvUfS-Sheet '7 souRcE oF FREQUENCY llml Illlll I||||| C. /LLER BV AT TOR/VEV y E 7 8 M a R 0 1 m we m 3 S IL 5, Nn. 2 .t E W fc. w m M am Gm NP mmm, Lm LC 'IEC MRM .L im .CT com I TR AO MF 0 T U A 6 4 w m 9 m l l s, .n 2 m. u d w N F Nov. 28, 1950 Q G, M|L| ER 2,531,637

AUTOMATIC CALL RECORDING SYSTEM FOR AUTOMATIC TELEPHONY Filed April 24, 1946 29 sheets-sheet 9 /N l/E/V TOR C ILLE/P ATTORNEY Nov. 28, 1950 c. G. MILLER 2,531,637

AUTOMATIC CALL RECORDING SYSTEM FOR AUTOMATIC TELEPHONY Filed April 24, 1946 29 Sheets-Sheet 10 C /LLEE BV Nov. 28, 1950 c. s. MLLER 2,531,637

AUTOMATIC CALL R CORDING SYSTEM FOR AUTOMATIC TELEPHONY Filed April 24, 194e 1 29 sheets- Sheet 11 /N VEN TOR AT TONE V /A/L/EA/Tof? C M/LLER mfom/5y C. G. MILLER AUTOMATIC CALL RECORDING SYSTEM FOR AbTOMATIC TELEPHONY 29 ShgebS--Sheet 12 Nov. 28, 1950 FiledvApril .24,` 1946 Nov. 28, 1950 c. G. MILLER 2,531,637

AUTOMATIC CALL RECORDING SYSTEM FOR AUTOMATIC TELEPHONY Filed April 24, 194e 29 sheets-sheet 1s ATTORNEY Nov. 28, 1950 c, G. M1LLER 2,531,637

AUTOMATIC CALL RECORDING SYSTEM FOR AUTOMATIC TELEPHONY Filed April 24, 1946 29 Sheets-Sheet 14 C /LLER er ATTORNEV Nov. 28, v1950 c. G. MILLER 2,531,637y

` AUTOMATIC CALL RECORDING SYSTEM FOR 'UTMTIC TELEPHONY Filed April 24, 1946 29' Sheets-She'et. 15

/N VEA/TOR C. /LLER 5;/

ATTORNEY Nov. 28, 1950 Filed April 24, 1946 C. G. MILLER AUTOMATIC CALL RECORDING SYSTEM FOR AUTOMATIC TELEPHONY :29` Sheets-Sheet 16 IN1/EN TOR C. /LLE/P BV ATTORNEY Nov. 28, 1950 C c. G. MILLER 2,531,637

AUTOMATIC CALL RECORDING SYSTEM FR AUTOMATIC TELEPHONY Filed April 24', 1946 ZS-VSheetS-Sheet 17 /NVENTOR C /LLER ATTORNEY 7 s l W .Tv L Rm 3 OL. 5, ML 2 n m E! e V s TW. 9 C 2 W m mm Gm Rm@ Emu LOT mmc MRM .L im .CT ccm T. wn-mmOZDI TR AO WF M m, .0\|\\ .A 6 4 9 .w 1. 9 m l n 8 r 2 w. d w N F Nov. 28, 1950 c. G. MILLER 2,531,637

AUTOMATIC CALL RECORDING SISTEM FOR AUTOMATIC TELEPHONY l Filed April 24, 194e 29 sheets-Sheer 19 C. M/LLER BV ATTORNEY Nov. 28, 1950 2,531,637

C. G. MILLER AUTOMATIC CALL RECORDING SYSTEM FOR AUTOMATIC TELEPHONY Filed April 24, 1946 29 Sheets-Sheet 2O ATTORNEY 

